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Keystone™ 8,000 BTU White Thru The Wall Air Conditioner

Model #: KSTAT08-1HC
At a Glance
The Keystone 8,000 BTU 115V through-the-wall air conditioner with 4,200 BTU Supplemental Heat Capability is perfect for rooms up to 350 square feet. In addition to cooling, this versatile unit also offers supplemental heat capability, providing you with an additional heat source to your main heat source.
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$99,999.00Save $NaN

Get to know this product.

  • Standard, universal interior trim kit for existing wall sleeve included (New wall sleeve sold separately: KSTSLV1)
  • 7-ft. LCDI power cord with NEMA 5-15P plug uses standard 115V electrical outlet
  • 8,000 BTU cooling capacity / 4,200 BTU supplemental heating capacity
  • Supplemental heat capability provides an additional heat source to your main heat source when outdoor temperatures are above 45°F
  • Cools a room up to 350 sq. ft. with dehumidification up to 2.1 pints per hour
  • Electronic controls with LED display allows you to easily select options with the touch of a button
  • Temperature sensing LCD remote control allows you control the temperature from across the room
  • Auto-restart saves your settings for when power is restored to the unit
  • Adjustable 4-way air flow direction allows you to easily control the direction of the cool air
  • 3 cooling speeds, 3 fan speeds, and 1 heat speed
  • Auto function determines the fan speed depending on the set temperature
  • Programmable 24-hour on/off timer cools on your schedule
  • Energy-saver mode conserves energy and saves you money
  • Sleep mode gradually increases room temperature after being activated
  • Easy-clean mesh filter with Check Filter alert on the unit
  • U.L. safety listing


Amps (Cooling/Heating)7.8/12
Watts (Cooling/Heating)825/1380

Misc. Specs

Product Weight (lbs.)65
Width (in.)24.2
Appliance ColorWhite
Depth (in.)20.3
Height (in.)14.5
Control TypeElectronic Buttons
Cord Length (cm)213.36
Manufacturer Warranty1 Year Parts and Labor
Cord Length (in.)84
Plug TypeNEMA 5-15
Color Finish NameWhite
Number Of Cooling Speeds3 (cool) / 1 (heat)
Air Conditioner TypeThrough-the-Wall
Maximum CFM288
Btu Cooling Rating8000
Recommended Room Size350
Btu Heat Rating4200
WarningProposition 65 Warning for California Residents